CA1193662A - Hematocrit measuring instrument - Google Patents

Hematocrit measuring instrument

Info

Publication number
CA1193662A
CA1193662A CA000409451A CA409451A CA1193662A CA 1193662 A CA1193662 A CA 1193662A CA 000409451 A CA000409451 A CA 000409451A CA 409451 A CA409451 A CA 409451A CA 1193662 A CA1193662 A CA 1193662A
Authority
CA
Canada
Prior art keywords
blood
hematocrit
filtrate
resistivity
measuring instrument
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000409451A
Other languages
English (en)
French (fr)
Inventor
Toshikazu Ishihara
Hazime Inagaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Central R&D Labs Inc
Original Assignee
Toyota Central R&D Labs Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Central R&D Labs Inc filed Critical Toyota Central R&D Labs Inc
Application granted granted Critical
Publication of CA1193662A publication Critical patent/CA1193662A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material
    • G01N33/49—Blood
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3607—Regulation parameters
    • A61M1/3609—Physical characteristics of the blood, e.g. haematocrit, urea
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3623—Means for actively controlling temperature of blood
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3669—Electrical impedance measurement of body fluids; transducers specially adapted therefor
CA000409451A 1981-08-18 1982-08-13 Hematocrit measuring instrument Expired CA1193662A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56129197A JPS5829450A (ja) 1981-08-18 1981-08-18 ヘマトクリツト測定装置
JP56-129197 1981-08-18

Publications (1)

Publication Number Publication Date
CA1193662A true CA1193662A (en) 1985-09-17

Family

ID=15003537

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000409451A Expired CA1193662A (en) 1981-08-18 1982-08-13 Hematocrit measuring instrument

Country Status (3)

Country Link
US (1) US4484135A (ja)
JP (1) JPS5829450A (ja)
CA (1) CA1193662A (ja)

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DE3337618A1 (de) * 1983-10-15 1985-04-25 Heinz Prof. Dr. 4400 Münster Schröer Anordnung zur messung der ex-vivo-blutungszeit
US4686479A (en) * 1985-07-22 1987-08-11 Young Chung C Apparatus and control kit for analyzing blood sample values including hematocrit
US4644960A (en) * 1985-09-23 1987-02-24 Arrow International, Inc. Device for making electrical connection to an electrolyte, and system employing same
US4791932A (en) * 1986-03-05 1988-12-20 Cordis Corporation Extracorporeal sensing module
DE3627814A1 (de) * 1986-08-16 1988-02-25 Fresenius Ag Vorrichtung zur bestimmung des haematokrit
US4890621A (en) * 1988-01-19 1990-01-02 Northstar Research Institute, Ltd. Continuous glucose monitoring and a system utilized therefor
JP2665806B2 (ja) * 1989-09-13 1997-10-22 株式会社豊田中央研究所 ヘマトクリット測定装置
US5331958A (en) * 1992-03-31 1994-07-26 University Of Manitoba Spectrophotometric blood analysis
US5631552A (en) * 1992-09-30 1997-05-20 Cobe Laboratories, Inc. Hemodynamic monitor for detecting air bubbles
US5385846A (en) * 1993-06-03 1995-01-31 Boehringer Mannheim Corporation Biosensor and method for hematocrit determination
DE4424267C2 (de) * 1994-07-09 1996-07-11 Hewlett Packard Gmbh Vorrichtung zur kontinuierlichen Erfassung von Blutparametern
US5601080A (en) * 1994-12-28 1997-02-11 Coretech Medical Technologies Corporation Spectrophotometric blood analysis
US6058934A (en) * 1995-11-02 2000-05-09 Chiron Diagnostics Corporation Planar hematocrit sensor incorporating a seven-electrode conductivity measurement cell
US5927349A (en) 1996-12-09 1999-07-27 Baxter International Inc. Compounding assembly for nutritional fluids
US6718190B2 (en) * 1997-10-14 2004-04-06 Transonic Systems, Inc. Sensor calibration and blood volume determination
US6041246A (en) 1997-10-14 2000-03-21 Transonic Systems, Inc. Single light sensor optical probe for monitoring blood parameters and cardiovascular measurements
US6199603B1 (en) 1998-08-14 2001-03-13 Baxter International Inc. Compounding assembly for nutritional fluids
US6554788B1 (en) * 2000-06-02 2003-04-29 Cobe Cardiovascular, Inc. Hematocrit sampling system
US10155082B2 (en) 2002-04-10 2018-12-18 Baxter International Inc. Enhanced signal detection for access disconnection systems
US7052480B2 (en) 2002-04-10 2006-05-30 Baxter International Inc. Access disconnection systems and methods
US7022098B2 (en) * 2002-04-10 2006-04-04 Baxter International Inc. Access disconnection systems and methods
US20040254513A1 (en) 2002-04-10 2004-12-16 Sherwin Shang Conductive polymer materials and applications thereof including monitoring and providing effective therapy
US7569393B2 (en) 2002-06-28 2009-08-04 International Technidyne Corporation Analytical test cartridge; and, methods
US20040019300A1 (en) * 2002-07-26 2004-01-29 Leonard Leslie Anne Microfluidic blood sample separations
US6794877B2 (en) * 2002-07-31 2004-09-21 International Technidyne Corporation Apparatus and method for analytical determinations
AU2003234944A1 (en) * 2002-08-27 2004-03-18 Bayer Healthcare, Llc Methods of Determining Glucose Concentration in Whole Blood Samples
US7356366B2 (en) 2004-08-02 2008-04-08 Cardiac Pacemakers, Inc. Device for monitoring fluid status
US7775966B2 (en) 2005-02-24 2010-08-17 Ethicon Endo-Surgery, Inc. Non-invasive pressure measurement in a fluid adjustable restrictive device
US7775215B2 (en) 2005-02-24 2010-08-17 Ethicon Endo-Surgery, Inc. System and method for determining implanted device positioning and obtaining pressure data
US7699770B2 (en) 2005-02-24 2010-04-20 Ethicon Endo-Surgery, Inc. Device for non-invasive measurement of fluid pressure in an adjustable restriction device
US8066629B2 (en) 2005-02-24 2011-11-29 Ethicon Endo-Surgery, Inc. Apparatus for adjustment and sensing of gastric band pressure
US7658196B2 (en) 2005-02-24 2010-02-09 Ethicon Endo-Surgery, Inc. System and method for determining implanted device orientation
US8016744B2 (en) 2005-02-24 2011-09-13 Ethicon Endo-Surgery, Inc. External pressure-based gastric band adjustment system and method
US7927270B2 (en) 2005-02-24 2011-04-19 Ethicon Endo-Surgery, Inc. External mechanical pressure sensor for gastric band pressure measurements
US8870742B2 (en) 2006-04-06 2014-10-28 Ethicon Endo-Surgery, Inc. GUI for an implantable restriction device and a data logger
US8152710B2 (en) 2006-04-06 2012-04-10 Ethicon Endo-Surgery, Inc. Physiological parameter analysis for an implantable restriction device and a data logger
US8187163B2 (en) 2007-12-10 2012-05-29 Ethicon Endo-Surgery, Inc. Methods for implanting a gastric restriction device
US8100870B2 (en) 2007-12-14 2012-01-24 Ethicon Endo-Surgery, Inc. Adjustable height gastric restriction devices and methods
US8377079B2 (en) 2007-12-27 2013-02-19 Ethicon Endo-Surgery, Inc. Constant force mechanisms for regulating restriction devices
US8142452B2 (en) 2007-12-27 2012-03-27 Ethicon Endo-Surgery, Inc. Controlling pressure in adjustable restriction devices
US8337389B2 (en) 2008-01-28 2012-12-25 Ethicon Endo-Surgery, Inc. Methods and devices for diagnosing performance of a gastric restriction system
US8192350B2 (en) 2008-01-28 2012-06-05 Ethicon Endo-Surgery, Inc. Methods and devices for measuring impedance in a gastric restriction system
US8591395B2 (en) 2008-01-28 2013-11-26 Ethicon Endo-Surgery, Inc. Gastric restriction device data handling devices and methods
US8221439B2 (en) 2008-02-07 2012-07-17 Ethicon Endo-Surgery, Inc. Powering implantable restriction systems using kinetic motion
US7844342B2 (en) 2008-02-07 2010-11-30 Ethicon Endo-Surgery, Inc. Powering implantable restriction systems using light
US8114345B2 (en) 2008-02-08 2012-02-14 Ethicon Endo-Surgery, Inc. System and method of sterilizing an implantable medical device
US8057492B2 (en) 2008-02-12 2011-11-15 Ethicon Endo-Surgery, Inc. Automatically adjusting band system with MEMS pump
US8591532B2 (en) 2008-02-12 2013-11-26 Ethicon Endo-Sugery, Inc. Automatically adjusting band system
US8034065B2 (en) 2008-02-26 2011-10-11 Ethicon Endo-Surgery, Inc. Controlling pressure in adjustable restriction devices
US8187162B2 (en) 2008-03-06 2012-05-29 Ethicon Endo-Surgery, Inc. Reorientation port
US8233995B2 (en) 2008-03-06 2012-07-31 Ethicon Endo-Surgery, Inc. System and method of aligning an implantable antenna
WO2016030146A1 (en) * 2014-08-29 2016-03-03 Fresenius Kabi Deutschland Gmbh Tubing set for use in a blood processing apparatus
JP6739144B2 (ja) * 2014-11-12 2020-08-12 日機装株式会社 帯電防止具

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US2656508A (en) * 1949-08-27 1953-10-20 Wallace H Coulter Means for counting particles suspended in a fluid
US3259842A (en) * 1959-08-19 1966-07-05 Coulter Electronics Particle analyzing device
US3896373A (en) * 1972-11-30 1975-07-22 Stein Paul D Method and apparatus for determining cross-sectional area of a blood conduit and volumetric flow therethrough
US3831083A (en) * 1973-02-12 1974-08-20 Mc Nab Inc Conductivity and specific resistance measuring system
US3979665A (en) * 1975-02-05 1976-09-07 Baxter Laboratories, Inc. Conductivity monitoring system
US4300551A (en) * 1978-05-02 1981-11-17 Kinney Michael J Method for treating schizophrenia
US4374644A (en) * 1981-04-06 1983-02-22 Coulter Electronics, Inc. Blood cell volume monitoring
US4408157A (en) * 1981-05-04 1983-10-04 Associated Research, Inc. Resistance measuring arrangement

Also Published As

Publication number Publication date
US4484135A (en) 1984-11-20
JPS649856B2 (ja) 1989-02-20
JPS5829450A (ja) 1983-02-21

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